Term
cranial nerve I
name / function / test |
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Definition
| olfactory / (s) afferent smell senses / test by smelling different types of substances |
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Term
cranial nerve II
name / function / test (3) |
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Definition
optic nerves / (s) afferent vision / test = visual acuity - snellen chart w pt @ 6m
=visual fields - Dr. @ arms length w R. eye matched with L. eye and the field of vision is mapped out
=fundoscopy - looking for signs of haemorrage , rentinal detatchment, |
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Term
cranial nerve III
name / function / test |
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Definition
oculomotor / chiefly motor nerves of the eye but with some proprioceptors
somatic motor > 4/6 extrinsic eye muscles
parasympathetic motor > pupil constrictors
sensory |
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Term
cranial nerve IV
name / function / test |
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Definition
| trochlear / supplies motor to superior oblique / same as CN III |
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Term
cranial nerve V
name / function / test |
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Definition
| trigeminal / largest of the cranial nerves
V1 - opthalmic - sensory for upper face
V2 - maxillary - sensory from nasal cavity
V3 - mandibular - sens. ant. tongue + muscle of mastication
tests
v1 = corneal reflex
v2 = pain + touch + temp sensations[image] |
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Term
cranial nerve IV
name / function / test |
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Definition
| abducens / supplies motor for lateral rectus muscle + proprioception for the same/ same CN III |
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Term
cranial nerve VII
name / function / test |
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Definition
| facial nerves / motor for facial muscles except those of mastication (serviced by the CN V) + PS motor impulses to salivary and lacrimal glands + sensory for ant. 2/3 of tongue/ test w ant. 2/3 of tongue for taste + facial muscles by pulling faces |
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